\begin{tabular}{l|ccccc}
\hline\hline
      & \multicolumn{5}{c}{Quartile / Quintile} \\
Group & First & Second & Third & Fourth & Fifth \\
\hline
White Quintile Summary  &  -0.033 & 0.016 & 0.009 & 0.01 & 0.004 \\ 
 2016-2012 & [-0.052, -0.017] & [0.009, 0.022] & [0, 0.015] & [0.005, 0.017] & [-0.009, 0.012] \\ 
 \hline
White 5-bin RR  &  -0.024 & 0.011 & 0.004 & 0 & 0 \\ 
 2016-2012 & [-0.031, -0.021] & [0.003, 0.016] & [-0.001, 0.009] & [-0.011, 0.004] & [-0.004, 0.006] \\ 
 \hline
White Quartile Summary  &  -0.033 & 0.02 & 0.014 & 0.004 \\ 
 2016-2012 & [-0.052, -0.017] & [0.007, 0.032] & [0.009, 0.024] & [-0.009, 0.012] \\ 
 \hline
White 4-bin RR  &  -0.018 & 0.009 & 0.007 & -0.008 \\ 
 2016-2012 & [-0.029, -0.004] & [0.005, 0.014] & [-0.002, 0.012] & [-0.014, 0] \\ 
 \hline
\hline
\end{tabular}
% bootstrap resamples: 10
